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Ahmed E. S. Nosseir, Angelo Cervone and Angelo Pasini
Current research trends have advanced the use of ?green propellants? on a wide scale for spacecraft in various space missions; mainly for environmental sustainability and safety concerns. Small satellites, particularly micro and nanosatellites, evolved f...
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Arina A. Chepanova, Evgenii S. Mozhaitsev, Aldar A. Munkuev, Evgeniy V. Suslov, Dina V. Korchagina, Olga D. Zakharova, Alexandra L. Zakharenko, Jinal Patel, Daniel M. Ayine-Tora, Jóhannes Reynisson, Ivanhoe K. H. Leung, Konstantin P. Volcho, Nariman F. Salakhutdinov and Olga I. Lavrik
Inhibition of Tdp1 has the potential to increase the potency of the anticancer drugs topotecan and irinotecan, topoisomerase 1 poisons. Furthermore, Tdp1 inhibitors can facilitate the therapeutic use of these drugs in other cancer types.
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William Margerit, Antoine Charpentier, Cathy Maugis-Rabusseau, Johann Christian Schön, Nathalie Tarrat and Juan Cortés
The exploration of the energy landscape of a chemical system is essential for understanding and predicting its observable properties. In most cases, this is a challenging task due to the high complexity of such landscapes, which often consist of multiple...
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Claudio Bruno, Antonella Ingenito and Domenico Simone
A human Mars mission is more challenging to astronauts than the Apollo mission because of travel time, life support requirements, and the space environment. Although plans for Mars exploration by NASA and SpaceX based on conventional rockets have been pr...
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Alexey Teslenko,Anton Chernukha,Oleg Bezuglov,Oleg Bogatov,Ekaterina Kunitsa,Viktoriia Kalyna,Albert Katunin,Volodymyr Kobzin,Sergey Minka
Pág. 42 - 49
The issue of danger emanating from industrial devices with combustible gases has been considered in the linear multidimensional continuous space of dangerous factors. Dangerous factors are categorized into factors associated with industrial devices and t...
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Alexander Kvartenko,Igor Prysiazhniuk
Pág. 14 - 22
Research in the field of groundwater treatment indicates the prospects for the development of its complex purification involving various morphological types of microorganisms, fixed on inert contact materials. It was indicated that at certain parameters ...
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Xiuqing Zheng, Kai Wang, Fei Zhang, Junfeng Chen, Aimin Li and Yanping Chen
The comprehensive geological, hydrogeological and hydrogeochemical model of the Liulin karstic spring area in the eastern limb of the Ordos syncline was established by a combination of chemical thermodynamics, chemical kinetics and hydrogeology. The stud...
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Oleg Nizhnik
Four sample space launch missions were designed using rotating momentum transfer tethers (bolos) within low Earth orbit and a previously unknown phenomenon of ?aerospinning? was identified and simulated. The momentum transfer tethers were found to be onl...
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D. V. Horetskyi
Pág. 181 - 184
The article enlists the reasons of occurrence of environmental problems in the underground space of big cities, describes the origins of the negative influence of bio-corrosion in conditions of weak soils, gives characteristics of the influence of a nega...
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Leonard Vance, Agustin Espinoza, Jorge Martinez Dominguez, Salil Rabade, Gavin Liu and Jekan Thangavelautham
Sustainable space exploration will require using off-world resources for propellant generation. Using off-world-generated propellants significantly increases future missions? range and payload capacity. Near Earth Objects (NEOs) contain a range of availa...
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Yingke Liao, Guiping Zhu, Guang Wang, Jie Wang and Yanchao Ding
Magnetohydrodynamic (MHD) is one of the most promising novel propulsion technologies with the advantages of no pollution, high specific impulse, and high acceleration efficiency. As the carrier of this technology, the MHD accelerator has enormous potenti...
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Tomasz Palacz and Jacek Cieslik
The paper is part of the research aimed at determining if the vortex flow pancake (VFP) hybrid rocket engine is feasible as green in-space chemical propulsion. The objective of this study is to test an N2O/HDPE VFP hybrid ignited with N2O/C3H8 torch igni...
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Calvin Nguyen and James C. Thomas
Hybrid rocket engine (HRE) performance is dependent on fuel/oxidizer selection and fuel grain geometry. A literature review was performed to identify key trends and findings related to the application of the additive manufacturing (AM) of fuel systems fo...
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Oleg O. Kartashov, Sergey V. Chapek, Dmitry S. Polyanichenko, Grigory I. Belyavsky, Alexander A. Alexandrov, Maria A. Butakova and Alexander V. Soldatov
Microfluidic devices have opened new opportunities for functional material chemical synthesis in a few applications. The screening of microfluidic synthesis processes is an urgent task of the experimental process in terms of automation and intellectualiz...
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Vaclav Skala and Eliska Mourycova
Interpolating and approximating scattered scalar and vector data is fundamental in resolving numerous engineering challenges. These methodologies predominantly rely on establishing a triangulated structure within the data domain, typically constrained to...
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Songtao Huang, Xue He, Jiaqing Chen, Xiujun Wang, Jian Zhang, Jianyu Dong and Baosheng Zhang
As most offshore oilfields come to the middle- and late-exploitation period, and with the popularization of tertiary enhanced oil recovery (EOR) technology, the physical properties of produced fluids become more complex, bringing new challenges to oil-wa...
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Daniel Martinez-Sanchis, Andrej Sternin, Jaroslaw Shvab, Oskar Haidn and Xiangyu Hu
In this study, Direct Numerical Simulations (DNS) of a turbulent diffusion flame are conducted to investigate the performance of the Eddy Dissipation Concept in turbulent combustion for space propulsion applications. A 20-bar methane-oxygen diffusion fla...
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Yuko Terada, Kenjiro Tanaka, Minami Matsuyama, Masaya Fujitani, Masatoshi Shibuya, Yoshihiko Yamamoto, Ryuji Kato and Keisuke Ito
Because transient receptor potential ankyrin 1 (TRPA1) is involved in various physiological functions, TRPA1-targeting drugs have been energetically developed. Although TRPA1 is considered a multimodal receptor, the structural diversity of TRPA1 agonists...
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Maxim Rudmin, Santanu Banerjee, Boris Makarov, Kanipa Ibraeva and Alexander Konstantinov
This research presents the mechanical creation of smart fertilizers from a mixture of smectite and urea in a 3:2 ratio by using the planetary milling technique. The smectite?urea composites show intercalation between urea and mineral, which increases ste...
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Dong Zhao, Liyan Wang, Fangmei Liu, Dong Zhong and Min Wu
We investigate the photonic bandgaps in graphene-pair arrays. Graphene sheets are installed in a bulk substrate to form periodical graphene photonic crystal. The compound system approves a photonic band structure as a light impinges on it. Multiple stopb...
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